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 ###Instrução: quantos altura m ( ft ) com frequência mhz sendo 100.1
 ###Tabelas: CREATE TABLE translators (translators_id AUTO_INCREMENT PRIMARY KEY, Call sign VARCHAR, Frequency MHz VARCHAR, City of license VARCHAR, ERP W INT, Height m ( ft ) VARCHAR, FCC info VARCHAR, Notes VARCHAR) CREATE TABLE 2008_season_players (2008_season_players_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Squad no INT, Appearances INT, Tries INT, Goals INT, F Goals INT, Points INT, Contract ends INT) CREATE TABLE gold_plated_proof_silver_dollars (gold_plated_proof_silver_dollars_id AUTO_INCREMENT PRIMARY KEY, Year INT, Theme VARCHAR, Artist VARCHAR, Mintage VARCHAR, Issue Price VARCHAR) CREATE TABLE mallet_and_simple_articulated_locomotives (mallet_and_simple_articulated_locomotives_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Wheel arrangement VARCHAR, Fleet number(s) VARCHAR, Manufacturer VARCHAR, Serial numbers VARCHAR, Year made VARCHAR, Quantity made VARCHAR, Quantity preserved VARCHAR) CREATE TABLE television_series (television_series_id AUTO_INCREMENT PRIMARY KEY, Year INT, Title VARCHAR, Hangul / Japanese VARCHAR, Role VARCHAR, Network VARCHAR, Genre VARCHAR)  
SELECT COUNT Height m ( ft ) FROM translators WHERE Frequency MHz = 100.1